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Pacific oak fern

Gymnocarpium disjunctum

The Pacific oak fern is a lovely green plant that grows in shady places. Its delicate leaves look like tiny fans and can be found in forests and along trails.

Habitat: Forests

Appearance

The Pacific oak fern has delicate, bright green fronds that are distinctly triangular and deeply cut, resembling tiny oak leaves. Its fronds grow individually from a creeping stem, creating a lacy, almost floating appearance close to the forest floor.

KingdomPlantaePhylumTracheophytaClassPolypodiopsidaOrderPolypodialesFamilyCystopteridaceaeGenusGymnocarpium
Pacific oak fern
deciduous trait badgeshade_tolerant trait badgecold_hardy trait badgespore_producing trait badge
Pacific oak fern

Category

Plants

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Ferns are ancient plants, growing on Earth for millions of years before even dinosaurs appeared!

Ferns like this one don't have seeds; they reproduce with tiny, dust-like spores!

It's called 'oak fern' because its leaf shape reminds people of tiny oak tree leaves!

This fern unrolls its new leaves in spring from tight coils called 'fiddleheads.'

Special abilities

Ability

Spore Shower

Pacific oak fern releases millions of microscopic spores from its fronds to spread and create new ferns without needing seeds.

Ability

Underground Navigator

This fern has a creeping underground stem (rhizome) that allows it to spread widely and colonize new damp soil.

Ability

Shade Seeker

Pacific oak fern thrives in dim light, using its specialized leaves to efficiently capture the weak sunlight under dense tree canopies.

Measurements & details

Height
10-40 cm
Spread
15-30 cm
Edible
No
Toxicity
None
Lifecycle
Perennial

Ecological connections

shelters

Western Hemlock

Tsuga heterophylla

Often grows beneath its dense canopy.

shelters

Douglas-fir

Pseudotsuga menziesii

Thrives in its protective shade.

symbiotic with

Redwood Sorrel

Oxalis oregana

Frequently found growing alongside it on the forest floor.

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5 · Very low

Always look but don't touch plants unless you know they are safe.

Frequently Asked Questions

How tall is Pacific oak fern?

10-40 cm

How wide does Pacific oak fern spread?

15-30 cm

Is Pacific oak fern edible?

No

Is Pacific oak fern toxic?

None

What is Pacific oak fern's lifecycle?

Perennial

Where is Pacific oak fern usually found?

Forests

Snap Map

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